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Posted to issues@spark.apache.org by "Josh Rosen (JIRA)" <ji...@apache.org> on 2015/05/25 20:43:17 UTC

[jira] [Updated] (SPARK-7855) Move hash-style shuffle code out of ExternalSorter and into own file

     [ https://issues.apache.org/jira/browse/SPARK-7855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Josh Rosen updated SPARK-7855:
------------------------------
    Issue Type: Improvement  (was: Bug)

> Move hash-style shuffle code out of ExternalSorter and into own file
> --------------------------------------------------------------------
>
>                 Key: SPARK-7855
>                 URL: https://issues.apache.org/jira/browse/SPARK-7855
>             Project: Spark
>          Issue Type: Improvement
>          Components: Shuffle
>            Reporter: Josh Rosen
>            Assignee: Josh Rosen
>
> ExternalSorter contains a bunch of code for handling the bypassMergeThreshold / hash-style shuffle path.  I think that it would significantly simplify the code to move this functionality out of ExternalSorter and into a separate class which shares a common interface (insertAll / writePartitionedFile()).  This is a stepping-stone towards eventually removing this bypass path (see SPARK-6026)



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